Package org.apache.cassandra.utils

Examples of org.apache.cassandra.utils.PureJavaCrc32.update()

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        markDirty(rowMutation, repPos);

        Checksum checksum = new PureJavaCrc32();
        byte[] serializedRow = rowMutation.getSerializedBuffer(MessagingService.current_version);

        checksum.update(serializedRow.length);
        buffer.putInt(serializedRow.length);
        buffer.putLong(checksum.getValue());

        buffer.put(serializedRow);
        checksum.update(serializedRow, 0, serializedRow.length);
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        checksum.update(serializedRow.length);
        buffer.putInt(serializedRow.length);
        buffer.putLong(checksum.getValue());

        buffer.put(serializedRow);
        checksum.update(serializedRow, 0, serializedRow.length);
        buffer.putLong(checksum.getValue());

        if (buffer.remaining() >= 4)
        {
            // writes end of segment marker and rewinds back to position where it starts
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        markDirty(rowMutation, repPos);

        Checksum checksum = new PureJavaCrc32();
        byte[] serializedRow = rowMutation.getSerializedBuffer(MessagingService.version_);

        checksum.update(serializedRow.length);
        buffer.putInt(serializedRow.length);
        buffer.putLong(checksum.getValue());

        buffer.put(serializedRow);
        checksum.update(serializedRow, 0, serializedRow.length);
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        checksum.update(serializedRow.length);
        buffer.putInt(serializedRow.length);
        buffer.putLong(checksum.getValue());

        buffer.put(serializedRow);
        checksum.update(serializedRow, 0, serializedRow.length);
        buffer.putLong(checksum.getValue());

        if (buffer.remaining() >= 4)
        {
            // writes end of segment marker and rewinds back to position where it starts
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        markDirty(rowMutation, repPos);

        Checksum checksum = new PureJavaCrc32();
        byte[] serializedRow = rowMutation.getSerializedBuffer(MessagingService.version_);

        checksum.update(serializedRow.length);
        buffer.putInt(serializedRow.length);
        buffer.putLong(checksum.getValue());

        buffer.put(serializedRow);
        checksum.update(serializedRow, 0, serializedRow.length);
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        checksum.update(serializedRow.length);
        buffer.putInt(serializedRow.length);
        buffer.putLong(checksum.getValue());

        buffer.put(serializedRow);
        checksum.update(serializedRow, 0, serializedRow.length);
        buffer.putLong(checksum.getValue());

        if (buffer.remaining() >= 4)
        {
            // writes end of segment marker and rewinds back to position where it starts
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        markDirty(rowMutation, repPos);

        Checksum checksum = new PureJavaCrc32();
        byte[] serializedRow = FBUtilities.serialize(rowMutation, RowMutation.serializer, MessagingService.current_version);

        checksum.update(serializedRow.length);
        buffer.putInt(serializedRow.length);
        buffer.putLong(checksum.getValue());

        buffer.put(serializedRow);
        checksum.update(serializedRow, 0, serializedRow.length);
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        checksum.update(serializedRow.length);
        buffer.putInt(serializedRow.length);
        buffer.putLong(checksum.getValue());

        buffer.put(serializedRow);
        checksum.update(serializedRow, 0, serializedRow.length);
        buffer.putLong(checksum.getValue());

        if (buffer.remaining() >= 4)
        {
            // writes end of segment marker and rewinds back to position where it starts
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            // write previous sync marker to point to next sync marker
            // we don't chain the crcs here to ensure this method is idempotent if it fails
            int offset = lastSyncedOffset;
            final PureJavaCrc32 crc = new PureJavaCrc32();
            crc.update((int) (id & 0xFFFFFFFFL));
            crc.update((int) (id >>> 32));
            crc.update(offset);
            buffer.putInt(offset, nextMarker);
            buffer.putLong(offset + 4, crc.getValue());
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            // write previous sync marker to point to next sync marker
            // we don't chain the crcs here to ensure this method is idempotent if it fails
            int offset = lastSyncedOffset;
            final PureJavaCrc32 crc = new PureJavaCrc32();
            crc.update((int) (id & 0xFFFFFFFFL));
            crc.update((int) (id >>> 32));
            crc.update(offset);
            buffer.putInt(offset, nextMarker);
            buffer.putLong(offset + 4, crc.getValue());

            // zero out the next sync marker so replayer can cleanly exit
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